Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 32, NWS Philadelphia/Mount Holly

May 19, 2019Morris County, Sussex County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 19, 2019, 7:52 PM EDT for Morris County, Sussex County, Warren County, New Jersey. It was in force for 53 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 19, 2019, 7:52 PM EDT (23:52 UTC)
Expired
May 19, 2019, 8:45 PM EDT
In force
53 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Morris County, NJ, Sussex County, NJ, Warren County, NJ

What was reported inside it

TimeReportWhereRemark
May 19, 8:00 PM EDTTSTM WND DMG1 Nne Sandyston Twp, NJTREE DOWN ON LAYTON-HAINESVILLE ROAD IN SANDYSTON TWP. TIME ESTIMATED FROM RADAR.
May 19, 8:05 PM EDTTSTM WND DMG3 W Branchville, NJTREE DOWN ON E SHORE ROAD NEAR LAKE OWASSA. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 19, 2:36 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.9 hours before the alert went out and 159 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2019-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2019-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1318 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

650 
WUUS51 KPHI 192352
SVRPHI
NJC027-037-041-200045-
/O.NEW.KPHI.SV.W.0032.190519T2352Z-190520T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
752 PM EDT Sun May 19 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  North central Morris County in northern New Jersey...
  Sussex County in northwestern New Jersey...
  Northern Warren County in northwestern New Jersey...

* Until 845 PM EDT.

* At 752 PM EDT, severe thunderstorms were located along a line
  extending from Milford to Dingmans Ferry to near Columbia, moving
  east at 35 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Wind damage to 
           roofs, siding, trees, and power lines is possible.

* Locations impacted include...
  Port Jervis, Newton, Montague, Hopatcong, Blairstown, Franklin,
  Hamburg, Ogdensburg, Sussex, Hope, Branchville, Andover, High
  Point, Lake Mohawk, Greendell, Millbrook, Vernon Valley, Green
  Pond, Pellettown and Crandon Lakes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4120 7437 4109 7450 4104 7450 4105 7445
      4102 7443 4101 7438 4084 7509 4086 7505
      4095 7511 4102 7508 4109 7497 4109 7498
      4118 7488 4128 7484 4135 7475 4136 7469
TIME...MOT...LOC 2352Z 248DEG 32KT 4134 7482 4119 7490 4090 7504 

HAIL...1.00IN
WIND...60MPH
 
$$

Robertson
1 follow-up statement
191 
WWUS51 KPHI 200022
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
822 PM EDT Sun May 19 2019

NJC041-200031-
/O.CAN.KPHI.SV.W.0032.000000T0000Z-190520T0045Z/
Warren NJ-
822 PM EDT Sun May 19 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WARREN COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 4120 7437 4109 7450 4104 7450 4105 7445
      4102 7443 4101 7438 4092 7477 4110 7497
      4118 7488 4128 7484 4135 7475 4135 7472
      4136 7469
TIME...MOT...LOC 0021Z 251DEG 32KT 4143 7452 4121 7456 4101 7478 

$$

NJC027-037-200045-
/O.CON.KPHI.SV.W.0032.000000T0000Z-190520T0045Z/
Morris NJ-Sussex NJ-
822 PM EDT Sun May 19 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR NORTH CENTRAL MORRIS AND SUSSEX COUNTIES...

At 821 PM EDT, severe thunderstorms were located along a line
extending from near Otisville to near Sussex to near Andover, moving
east at 35 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Port Jervis, Newton, Montague, Hopatcong, Franklin, Hamburg,
Ogdensburg, Sussex, Branchville, Andover, Flatbrookville, High Point,
Lake Mohawk, Greendell, Vernon Valley, Five Points, Green Pond,
Pellettown, Crandon Lakes and Highland Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4120 7437 4109 7450 4104 7450 4105 7445
      4102 7443 4101 7438 4092 7477 4110 7497
      4118 7488 4128 7484 4135 7475 4135 7472
      4136 7469
TIME...MOT...LOC 0021Z 251DEG 32KT 4143 7452 4121 7456 4101 7478 

HAIL...1.00IN
WIND...60MPH
 
$$

Staarmann

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 19, 3:44 AM EDTSmall Craft AdvisoryPHI12 hr
May 19, 7:41 PM EDTSpecial Weather StatementPHISussex49 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2019Every severe thunderstorm warning in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.